You use a recovery catalog for maintaining your database backups.
You execute the following command:
$rman TARGET / CATALOG rman / cat@catdb
RMAN > BACKUP VALIDATE DATABASE ARCHIVELOG ALL;
Which two statements are true? (Choose two.)

• A.Corrupted blocks, if any, are repaired.
• B.Checks are performed for physical corruptions.
• C.Checks are performed for logical corruptions.
• D.Checks are performed to confirm whether all database files exist in correct locations
• E.Backup sets containing both data files and archive logs are created.

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You enabled block change tracking for faster incremental backups in your database. Which background process writes to the change tracking file?

• A.CTWR
• B.PMON
• C.CKPT
• D.DBWR
• E.SMON
• F.RBAL
• G.MMON

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Which three statements are true about adaptive SQL plan management? (Choose three.)

• A.It automatically performs verification or evolves non-accepted plans, in COMPREHENSIVE mode when they perform better than existing accepted plans.
• B.The optimizer always uses the fixed plan, if the fixed plan exists in the plan baseline.
• C.It adds new, bettor plans automatically as fixed plans to the baseline.
• D.The non-accepted plans are automatically accepted and become usable by the optimizer if they perform better than the existing accepted plans.
• E.The non-accepted plans in a SQL plan baseline are automatically evolved, in COMPREHENSIVE mode, during the nightly maintenance window and a persistent verification report is generated.

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Which two statements are true about the Oracle Direct Network File system (DNFS)? (Choose two.)

• A.It utilizes the OS file system cache.
• B.A traditional NFS mount is not required when using Direct NFS.
• C.Oracle Disk Manager can manage NFS on its own, without using the operating kernel NFS driver.
• D.Direct NFS is available only in UNIX platforms.
• E.Direct NFS can load-balance I/O traffic across multiple network adapters.

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Which three activities are supported by the Data Recovery Advisor?

• A.Advising on block checksum failures
• B.Advising on inaccessible control files
• C.Advising on inaccessible block change tracking files
• D.Advising on empty password files
• E.Advising on invalid block header field values

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